Only six countries—United States, Russia, United Kingdom, China, France, and India—have conducted thermonuclear weapon tests. Whether India has detonated a "true" multi-staged thermonuclear weapon is controversial. North Korea claims to have tested a fusion weapon as of January 2016, though this claim is disputed.

How many H Bombs are there in the world?

The fissile material contained in the warheads can then be recycled for use in nuclear reactors. From a high of 70,300 active weapons in 1986, as of 2019 there are approximately 3,750 active nuclear warheads and 13,890 total nuclear warheads in the world.

Which country have H bomb?

Edward Teller, Stanislaw M. Ulam, and other American scientists developed the first hydrogen bomb, which was tested at Enewetak atoll on November 1, 1952. The U.S.S.R. first tested a hydrogen bomb on August 12, 1953, followed by the United Kingdom in May 1957, China (1967), and France (1968).